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Title: Arsenic occurrence and speciation in municipal ground-water-based supply system

Abstract

The city of Hanford, California, relies on ground water for its municipal water supply. Arsenic concentrations in local wells frequently exceed the current drinking water standard (50 {micro}g/L), although some dilution is achieved within the distribution system. Water samples were collected from municipal water supply wells and storage tanks in July and December 1996. Total arsenic concentrations ranged from 9 to 75 {micro}g/L. Arsenic was found to occur predominantly in the +III oxidation state. Lower contributions of As(III) to total arsenic concentrations were found in three wells and one storage tank. In all other samples, the percent As(III) was 89 {+-} 6%. The very low values of {degree}As(III) in one storage tank (1% in July and 14% in December) indicate that As(III) oxidation occurs within the distribution and storage system.

Authors:
;
Publication Date:
Research Org.:
California Inst. of Tech., Pasadena, CA (US)
OSTI Identifier:
20075769
Alternate Identifier(s):
OSTI ID: 20075769
Resource Type:
Journal Article
Journal Name:
Journal of Environmental Engineering (New York)
Additional Journal Information:
Journal Volume: 126; Journal Issue: 5; Other Information: PBD: May 2000; Journal ID: ISSN 0733-9372
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; WATER POLLUTION; GROUND WATER; ARSENIC; CALIFORNIA; WATER SUPPLY; MONITORING; WATER WELLS

Citation Formats

Hering, J.G., and Chiu, V.Q. Arsenic occurrence and speciation in municipal ground-water-based supply system. United States: N. p., 2000. Web. doi:10.1061/(ASCE)0733-9372(2000)126:5(471).
Hering, J.G., & Chiu, V.Q. Arsenic occurrence and speciation in municipal ground-water-based supply system. United States. doi:10.1061/(ASCE)0733-9372(2000)126:5(471).
Hering, J.G., and Chiu, V.Q. Mon . "Arsenic occurrence and speciation in municipal ground-water-based supply system". United States. doi:10.1061/(ASCE)0733-9372(2000)126:5(471).
@article{osti_20075769,
title = {Arsenic occurrence and speciation in municipal ground-water-based supply system},
author = {Hering, J.G. and Chiu, V.Q.},
abstractNote = {The city of Hanford, California, relies on ground water for its municipal water supply. Arsenic concentrations in local wells frequently exceed the current drinking water standard (50 {micro}g/L), although some dilution is achieved within the distribution system. Water samples were collected from municipal water supply wells and storage tanks in July and December 1996. Total arsenic concentrations ranged from 9 to 75 {micro}g/L. Arsenic was found to occur predominantly in the +III oxidation state. Lower contributions of As(III) to total arsenic concentrations were found in three wells and one storage tank. In all other samples, the percent As(III) was 89 {+-} 6%. The very low values of {degree}As(III) in one storage tank (1% in July and 14% in December) indicate that As(III) oxidation occurs within the distribution and storage system.},
doi = {10.1061/(ASCE)0733-9372(2000)126:5(471)},
journal = {Journal of Environmental Engineering (New York)},
issn = {0733-9372},
number = 5,
volume = 126,
place = {United States},
year = {2000},
month = {5}
}